<template>
  <div
    class="chat-msg-item"
    @mouseenter="handleMouseenter"
    @mouseleave="handleMouseleave"
  >
    <div
      class="chat-msg-tip"
      v-if="
        msgInfo.type == $enums.MESSAGE_TYPE.RECALL ||
        msgInfo.type == $enums.MESSAGE_TYPE.TIP_TEXT
      "
    >
      {{ msgInfo.content }}
    </div>
    <div
      class="chat-msg-tip"
      :style="{ fontSize: userInfo.zt ? userInfo.zt + 'px' : '16px' }"
      v-if="msgInfo.type == $enums.MESSAGE_TYPE.TIP_TIME"
    >
      {{ $date.toTimeText(msgInfo.sendTime) }}
    </div>
    <div
      class="chat-msg-normal"
      v-if="isNormal"
      :class="{ 'chat-msg-mine': mine }"
    >
      <div class="head-image">
        <head-image
          :name="showName"
          :size="40"
          :url="headImage"
          :id="msgInfo.sendId"
        ></head-image>
      </div>
      <div class="chat-msg-content">
        <div
          v-show="mode == 1 && msgInfo.groupId && !msgInfo.selfSend"
          class="chat-msg-top"
        >
          <span>{{ showName }}</span>
        </div>
        <div v-show="mode == 2" class="chat-msg-top">
          <span>{{ showName }}</span>
          <span>{{ $date.toTimeText(msgInfo.sendTime) }}</span>
          <div
            v-show="historyMode && showLocateTip"
            class="position-text"
            @click="handleLocateClick"
          >
            定位到聊天位置
          </div>
        </div>
        <div
          class="chat-msg-bottom"
          style="position: relative"
          @contextmenu.prevent="showRightMenu($event)"
        >
          <div ref="chatMsgBox">
            <span
              class="chat-msg-text"
              :style="{ fontSize: userInfo.zt ? userInfo.zt + 'px' : '16px' }"
              v-if="msgInfo.type == $enums.MESSAGE_TYPE.TEXT"
              v-html="$emo.transform(msgInfo.content)"
            ></span>

            <div
              class="chat-msg-image"
              v-if="msgInfo.type == $enums.MESSAGE_TYPE.IMAGE"
            >
              <div
                class="img-load-box"
                v-loading="loading"
                element-loading-text="上传中.."
                element-loading-background="rgba(0, 0, 0, 0.4)"
              >
                <img
                  class="send-image"
                  :src="JSON.parse(msgInfo.content).thumbUrl"
                  @click="showFullImageBox()"
                  loading="lazy"
                />
              </div>
              <span
                title="发送失败"
                v-show="loadFail"
                @click="onSendFail"
                class="send-fail el-icon-warning"
              ></span>
            </div>
            <div
              class="chat-msg-file"
              v-if="msgInfo.type == $enums.MESSAGE_TYPE.FILE"
            >
              <div class="chat-file-box" v-loading="loading">
                <div class="chat-file-info">
                  <el-link
                    class="chat-file-name"
                    :underline="true"
                    target="_blank"
                    type="primary"
                    :href="data.url"
                    >{{ data.name }}</el-link
                  >
                  <div class="chat-file-size">{{ fileSize }}</div>
                </div>
                <div class="chat-file-icon">
                  <span type="primary" class="el-icon-document"></span>
                </div>
              </div>
              <span
                title="发送失败"
                v-show="loadFail"
                @click="onSendFail"
                class="send-fail el-icon-warning"
              ></span>
            </div>
          </div>
          <div
            class="chat-msg-voice"
            v-if="msgInfo.type == $enums.MESSAGE_TYPE.AUDIO"
            @click="onPlayVoice()"
          >
            <audio controls :src="JSON.parse(msgInfo.content).url"></audio>
          </div>
          <div class="chat-action chat-msg-text" v-if="isAction">
            <span
              v-if="msgInfo.type == $enums.MESSAGE_TYPE.ACT_RT_VOICE"
              title="重新呼叫"
              @click="$emit('call')"
              class="iconfont icon-chat-voice"
            ></span>
            <span
              v-if="msgInfo.type == $enums.MESSAGE_TYPE.ACT_RT_VIDEO"
              title="重新呼叫"
              @click="$emit('call')"
              class="iconfont icon-chat-video"
            ></span>
            <span>{{ msgInfo.content }}</span>
          </div>
          <div class="chat-msg-status" v-if="!isAction && !historyMode">
            <span
              class="chat-readed"
              v-show="
                msgInfo.selfSend &&
                !msgInfo.groupId &&
                msgInfo.status == $enums.MESSAGE_STATUS.READED
              "
              >已读</span
            >
            <span
              class="chat-unread"
              v-show="
                msgInfo.selfSend &&
                !msgInfo.groupId &&
                msgInfo.status != $enums.MESSAGE_STATUS.READED
              "
              >未读</span
            >
          </div>
          <div
            class="chat-receipt"
            v-show="msgInfo.receipt"
            @click="onShowReadedBox"
          >
            <span
              v-if="msgInfo.receiptOk"
              class="icon iconfont icon-ok"
              title="全体已读"
            ></span>
            <span v-else>{{ msgInfo.readedCount }}人已读</span>
          </div>
        </div>
      </div>
    </div>
    <right-menu
      v-show="menu && rightMenu.show"
      :pos="rightMenu.pos"
      :items="menuItems"
      @close="rightMenu.show = false"
      @select="onSelectMenu"
    ></right-menu>
    <chat-group-readed
      ref="chatGroupReadedBox"
      :msgInfo="msgInfo"
      :groupMembers="groupMembers"
    ></chat-group-readed>
  </div>
</template>

<script>
import HeadImage from '../common/HeadImage.vue'
import RightMenu from '../common/RightMenu.vue'
import ChatGroupReaded from './ChatGroupReaded.vue'
export default {
  name: 'messageItem',
  components: {
    HeadImage,
    RightMenu,
    ChatGroupReaded
  },
  props: {
    mode: {
      type: Number,
      default: 1
    },
    mine: {
      type: Boolean,
      required: true
    },
    headImage: {
      type: String,
      required: true
    },
    showName: {
      type: String,
      required: true
    },
    msgInfo: {
      type: Object,
      required: true
    },
    groupMembers: {
      type: Array
    },
    menu: {
      type: Boolean,
      default: true
    },
    historyMode: {
      type: Boolean,
      default: false
    }
  },
  data() {
    return {
      audioPlayState: 'STOP',
      rightMenu: {
        show: false,
        pos: {
          x: 0,
          y: 0
        }
      },
      showLocateTip: false
    }
  },
  methods: {
    handleLocateClick() {
      this.$emit('locate', this.msgInfo.id)
    },
    handleMouseenter() {
      if (this.historyMode) {
        this.showLocateTip = true
      }
    },
    handleMouseleave() {
      if (this.historyMode) {
        this.showLocateTip = false
      }
    },
    onSendFail() {
      this.$message.error(
        '该文件已发送失败，目前不支持自动重新发送，建议手动重新发送'
      )
    },
    showFullImageBox() {
      let imageUrl = JSON.parse(this.msgInfo.content).originUrl
      if (imageUrl) {
        this.$store.commit('showFullImageBox', imageUrl)
      }
    },
    onPlayVoice() {
      if (!this.audio) {
        this.audio = new Audio()
      }
      this.audio.src = JSON.parse(this.msgInfo.content).url
      this.audio.play()
      this.onPlayVoice = 'RUNNING'
    },
    showRightMenu(e) {
      this.rightMenu.pos = {
        x: e.x,
        y: e.y
      }
      this.rightMenu.show = 'true'
    },
    onSelectMenu(item) {
      this.$emit(item.key.toLowerCase(), this.msgInfo)
    },
    onShowReadedBox() {
      let rect = this.$refs.chatMsgBox.getBoundingClientRect()
      this.$refs.chatGroupReadedBox.open(rect)
    }
  },
  computed: {
    userInfo() {
      return this.$store.state.userStore.userInfo
    },
    loading() {
      return this.msgInfo.loadStatus && this.msgInfo.loadStatus === 'loading'
    },
    loadFail() {
      return this.msgInfo.loadStatus && this.msgInfo.loadStatus === 'fail'
    },
    data() {
      return JSON.parse(this.msgInfo.content)
    },
    fileSize() {
      let size = this.data.size
      if (size > 1024 * 1024) {
        return Math.round(size / 1024 / 1024) + 'M'
      }
      if (size > 1024) {
        return Math.round(size / 1024) + 'KB'
      }
      return size + 'B'
    },
    menuItems() {
      let items = []
      items.push({
        key: 'DELETE',
        name: '删除',
        icon: 'el-icon-delete'
      })
      if (this.msgInfo.selfSend && this.msgInfo.id > 0) {
        items.push({
          key: 'RECALL',
          name: '撤回',
          icon: 'el-icon-refresh-left'
        })
      }
      return items
    },
    isAction() {
      return this.$msgType.isAction(this.msgInfo.type)
    },
    isNormal() {
      const type = this.msgInfo.type
      return this.$msgType.isNormal(type) || this.$msgType.isAction(type)
    }
  }
}
</script>

<style lang="scss">
.chat-msg-item {
  .chat-msg-tip {
    line-height: 50px;
    font-size: 14px;
  }

  .chat-msg-normal {
    position: relative;
    font-size: 0;
    padding-left: 60px;
    min-height: 50px;
    margin-top: 10px;

    .head-image {
      position: absolute;
      width: 40px;
      height: 40px;
      top: 0;
      left: 0;
    }

    .chat-msg-content {
      text-align: left;

      .send-fail {
        color: #e60c0c;
        font-size: 30px;
        cursor: pointer;
        margin: 0 20px;
      }

      .chat-msg-top {
        display: flex;
        flex-wrap: nowrap;
        color: #333;
        font-size: 14px;
        line-height: 20px;

        span {
          margin-right: 12px;
        }
        .position-text {
          color: #0e67ff;
          cursor: pointer;
          &:hover {
            background: #eeeeee;
          }
        }
      }

      .chat-msg-bottom {
        display: inline-block;
        padding-right: 300px;

        .chat-msg-text {
          display: block;
          position: relative;
          line-height: 26px;
          margin-top: 3px;
          padding: 7px;
          background-color: #eee;
          border-radius: 10px;
          color: black;
          display: block;
          font-size: 14px;
          text-align: left;
          white-space: pre-wrap;
          word-break: break-all;

          &:after {
            content: '';
            position: absolute;
            left: -10px;
            top: 13px;
            z-index: -1;
            width: 0;
            height: 0;
            border-style: solid dashed dashed;
            border-color: #eee transparent transparent;
            overflow: hidden;
            border-width: 10px;
          }
        }

        .chat-msg-image {
          display: flex;
          flex-wrap: nowrap;
          flex-direction: row;
          align-items: center;

          .send-image {
            min-width: 200px;
            min-height: 150px;
            max-width: 400px;
            max-height: 300px;
            border: #dddddd solid 1px;
            border: 5px solid #ccc;
            border-radius: 6px;
            cursor: pointer;
          }
        }

        .chat-msg-file {
          display: flex;
          flex-wrap: nowrap;
          flex-direction: row;
          align-items: center;
          cursor: pointer;
          padding-bottom: 5px;

          .chat-file-box {
            display: flex;
            flex-wrap: nowrap;
            align-items: center;
            min-height: 80px;
            box-shadow: 5px 5px 2px #c0c0c0;
            border: #dddddd solid 1px;
            border-radius: 6px;
            background-color: #eeeeee;
            padding: 10px 15px;

            .chat-file-info {
              flex: 1;
              height: 100%;
              text-align: left;
              font-size: 14px;

              .chat-file-name {
                display: inline-block;
                min-width: 150px;
                max-width: 300px;
                font-size: 16px;
                font-weight: 600;
                margin-bottom: 15px;
                white-space: pre-wrap;
                word-break: break-all;
              }
            }

            .chat-file-icon {
              font-size: 50px;
              color: #d42e07;
            }
          }

          .send-fail {
            color: #e60c0c;
            font-size: 30px;
            cursor: pointer;
            margin: 0 20px;
          }
        }

        .chat-msg-voice {
          font-size: 14px;
          cursor: pointer;

          audio {
            height: 45px;
            padding: 5px 0;
          }
        }

        .chat-action {
          display: flex;
          align-items: center;

          .iconfont {
            cursor: pointer;
            font-size: 22px;
            padding-right: 8px;
          }
        }

        .chat-msg-status {
          display: block;

          .chat-readed {
            font-size: 12px;
            color: #888;
            font-weight: 600;
          }

          .chat-unread {
            font-size: 12px;
            color: #f23c0f;
            font-weight: 600;
          }
        }

        .chat-receipt {
          font-size: 13px;
          color: blue;
          cursor: pointer;

          .icon-ok {
            font-size: 20px;
            color: #329432;
          }
        }

        .chat-at-user {
          padding: 2px 5px;
          border-radius: 3px;
          font-weight: 600;
          cursor: pointer;
        }
      }
    }

    &.chat-msg-mine {
      text-align: right;
      padding-left: 0;
      padding-right: 60px;

      .head-image {
        left: auto;
        right: 0;
      }

      .chat-msg-content {
        text-align: right;

        .chat-msg-top {
          flex-direction: row-reverse;

          span {
            margin-left: 12px;
            margin-right: 0;
          }
        }

        .chat-msg-bottom {
          padding-left: 180px;
          padding-right: 0;

          .chat-msg-text {
            margin-left: 10px;
            background-color: #dbe8ff;
            color: #000;
            vertical-align: top;

            &:after {
              left: auto;
              right: -10px;
              border-top-color: #dbe8ff;
            }
          }

          .chat-msg-image {
            flex-direction: row-reverse;
          }

          .chat-msg-file {
            flex-direction: row-reverse;
          }

          .chat-action {
            flex-direction: row-reverse;

            .iconfont {
              transform: rotateY(180deg);
            }
          }
        }
      }
    }
  }
}
</style>
